Music-leaf turner.



' n. VANDERBOS.

MUSIC LEAF TURNER.

APPLICATION FILED 050.2. 1913.

Patented July 6, 1915.

2 SHEETS-SHEET I.

llvmaooa o BOLUMBIA PLANOGRAPH COuWASHlNGTON. D. It.

D VANDI ERBOS. MUSIC LEAF TURNER.

APPLICATION HLED no.2. 1913.

1,145,280. Patented July 6, 1915.

2 SHEETS- SHEET 2.

amvewtoi fiawd Vmza/eraks.

l/vmeooeo count! PLANMRAHI co wAsr-nmqom 0.1:.

* 13 45,280: y i H A i Ap licatio manecember2,1913., seriaimsogaea ,7

T o tzlluwhom it imay concern; t V Be it n i1r t YDA DVAN B O a1 citizen of the United States, residing at I .Chicago,-in thecofunty of, Cook and State of Illinois, have inventedlnew and useful Tmv provementsin Music-Leaf Turners, of wh ch 'l plicableto portablemu i i stwfllids other" 0 leaf turners musical.instruments,;such as pianos, organs,

'or ,-'.th'e.like and one which may beapplied to or-removed therefrom. with facility.

' v Another object of the invention i's the provision of turningmechanism which will include :cbmpanion turning 1 arms that [are adapted to be associated with the music 'sheet sland which will be operable to present r to the, viewof the player at all times atjleast 1 two of the-sheets.

Another object of the imitation is'ithe a0: a Y

"elements so as to normally hold the same I visionof actuatingmeans which may becon-,

g iiected-l iwith the :turning arms-whereby to impart movement's thereto r simultaneously. u "5 1- A still further object; of the, invention 13 to -provide turning arms which may be'con- "anect'ed with the; music sheets'in such manner (as to p 43,

j is a front view of'theturning'device, showingthe applicationthereofto a portable ing theturningaoperatio 1 t With these and other objects. in view, the

inv'enti'on' consists-of certain novel features j :of construction, "combination and arrange- I I Rep ment of parts,

s'cribed'and'claimed; v

as will hereinafterde- In the accompanylng drawings-i Figure 1 music"fstand; Fig. Q isfa perspective view,

of'theisupporting member; Fig. 3 is a horiand platformillustrating the manner of connection of-such to the music stand Fig. 5 is a i perspective view of one of the turning arms.-

Y Whileji have contemplated the provision such fas the one. shownfat ain-Fig; 1 ofthe dent to th econstruction of the device that it I may be readily'connected with various forms of musical instruments-such as pianos, or-

ga er-the like. i

event derangementpf. the sheetsdur- I 1 r from durlng' the turning operation. The

the cover leaves. mits at least'two of the leaves of the music to be displayed before the player at all times. The cover page on initially arrangg SiI'QQLEAFTI IBNER: j

The deviceis shown'to include asupport 1 having-a vertical bar 2and a horizontal bar maybe passed a suitable lacing or; strap, 5

which may-be placed I around and properly secured to the barsB ofthe rack Cof the music stand, herewith illustrated. This mode of connecting the member 1 to the stand' is desirable in that the device is rendered applicable to portable music stands of various well known forms, I I The turning mechanism comprises com- "panion turning arms and 7, each consist- :111g of .;substantially U -clamping; elements provided with a lower bar 8, and vertical grippingbars, One of the elements of each turning arm has its, bar 8 hin-ged at 11 to the: barj8 of. the other element. as shown in Fig. 5, while springs-12 arefitted to both I closed; against; each other, and; confined a-ga1nst the music leaf. Through this 'ar-' ran'gement it is 'seenthat the musicleaf may be readily arranged between the companion held'against accidental derangement therev companion arm. The arms are normally arranged side by side as clearly shownin Fig.1 and as a consequence of this arrangeelements {of each arm and then positively r ment the arms aredesigned to accommodate themselves to sheet music-Which commonly consists of a cover folded to form two leaves and an intermediate supplement leaf,

the latter being removable ordinarily from This arrangement pering the music upon the armis turned upon itselfonthe line of fold between the leaves numbered respectivelyl and 4c and the leaves are then placed between the v companion I clamping-felementsof the arm i6. The supplement is removed, as previously described,

and the opposite sides thereof are numbered respectively 2 and 3. The supplement is placed between the clamping elements of the arm '7 and ithr ioii' gh the arrangement; of}? such arm 7, with the arm 6 it is apparent 1 that on the first playing voflthe rnilsic' the sheets numbered 1. andfQi'Will be exposed;

One of the v gripping elements of each turn? ing arm is pivoted at13 to the bar 3. The

1 actuating meansfwherebythe arn sfi and 72 I may be turned simiiltaneously and inthe required order to a succesi vearrangenient' of the numbers of the muslcsheets, comprises While the terminak 161 and 16? are extend?w ed downwai-dly and'ft'hjen' connected "at- 17 I With foot'treadl'e's ISand 19,-" .These' treadlesi are pivoted to a editable 'l'a tform 1 9 mount edbn an attaching'hrac et; 23; In further 1 describingthe operation, it is assumed that thearms 6 and? are in p'ositio'ns'to properly display the sheet' numbered lgand 2 V and thatthe treadle 18; is elevated, While the treadle- 19 is lowered, When it desired" 5; toreverse the arrangementnof the turning, arms so that thefsheet's numb r d Ispec tive'ly s and rwiube brought to View, the

treadle 18 is depressed by the foot with; a]

consequencejof such rn'ovement' andthrol'lgh 1 copies or this vpateiit 5111a be'obtaihe'dfo resulting pull upon the branch ofthe chain. I The movement of the ,chairrasbpeci} fied' "ca-uses the armffi' to be moved and. "as a inglyvmoved as will be appreciated; v Eromathe-foregoingdescriptiom; taken in v 'cofihectiontvith the "accompanying dra ing s the ponstruction and operation of the invention will be readily understood with and: the "-in-in'or details of construction may the rack 'for-removab1y securing the lat causing-a simultaneous turning of sai'd'far'ms 12"; aas o ai out requiring a moreextended explanation varlous changes in the form, propor'tic be resorted to Without departing from the principle or sacrifieing 'any of theadVa tages' ofthisinvention aspclairnedt 5 music'l'ea f turnerjhaving' a siipp'ort 1g ch'Id-ingfan apertur'ed horizontal portion in am apertured Vertical portion a rack, rhea passing through the ap'erttn es10f the ve tical portion and having connection; w

totheforxneiirnentioned portion, a pair turningarms;journa1ed in the opemng the -ho1izoi1ta1 portionef the suppOr'QJnea having connection with the turning; armsf f and operating-"means having connectio with the latter mentioned-meansitestimony whereof. I aflix my signatu inpresenc oftvvowitnesses. if D'AVID'VANDERBOS "Witiiess'eS t Y A. {P. THOMPSON, 1' 

